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Sigma-Aldrich

Polybutadiene

average Mn ~3,000 by VPO

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About This Item

Linear Formula:
(CH2CH=CHCH2)n
CAS Number:
9003-17-2
MDL number:
MFCD00084398
UNSPSC Code:
12162002
PubChem Substance ID:
24867209

description

peroxide number <= 10 mval/kg

form

viscous liquid

mol wt

average Mn ~3,000 by VPO

composition

cis-1,4, 75%
trans-1,4, 24%
vinyl, 1%

refractive index

n20/D 1.524

viscosity

2,700-3,000 mPa.s(20 °C)(lit.)

mp

−6 °C

acid number

≤0.3 mg KOH/g

iodine value

420‑480 g/100g

transition temp

pour point ~−50 °C

solubility

aliphatic hydrocarbons: soluble

density

0.9 g/mL at 25 °C (lit.)

InChI

1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3+

InChI key

IAQRGUVFOMOMEM-ONEGZZNKSA-N

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Application

Co-reactant for air curing coatings.

Features and Benefits

Low viscosity liquid that undergoes polymerization in the presence of oxygen and free radical generators. Unsaponifiable drying oil. Improves water and chemical resistance.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Dong Wu et al.
Journal of the American Chemical Society, 132(45), 15936-15938 (2010-10-28)
Single-molecule force spectroscopy is used to observe the irreversible extension of a gem-dibromocyclopropane (gDBC)-functionalized polybutadiene under tension, a process akin to polymer necking at a single-molecule level. The extension of close to 28% in the contour length of the polymer
Alexandra Sperschneider et al.
ACS nano, 4(10), 5609-5616 (2010-09-17)
We report on the quasi in situ scanning force microscopy nanotomography which proved to be a key method to effectively obtain a three-dimensional (3D) microdomain structure of a complex ABC triblock morphology. As an example, we studied polybutadiene-block-poly(2-vinyl pyridine)-block-poly(tert-butyl methacrylate)
Mechanochemistry: Demonstrated leverage.
Roman Boulatov
Nature chemistry, 5(2), 84-86 (2013-01-25)
Maria Hitrik et al.
Langmuir : the ACS journal of surfaces and colloids, 27(19), 11889-11898 (2011-08-26)
The essence of this study is to apply the Langmuir-Blodgett (LB) technique for assembling asymmetric membranes. Accordingly, Langmuir films of a (further) polymerizable polymer, 1,2-polybutadiene (1,2-pbd), were studied and transferred onto different solid supports, such as gold, indium tin oxide
Aleer M Yol et al.
Journal of the American Society for Mass Spectrometry, 24(1), 74-82 (2012-11-30)
[M + Ag](+) ions from cyclic and linear polystyrenes and polybutadienes, formed by matrix-assisted laser desorption ionization (MALDI), give rise to significantly different fragmentation patterns in tandem mass spectrometry (MS(2)) experiments. In both cases, fragmentation starts with homolytic cleavage at
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